There are so many groups and organizations that certify devices for compatibility and safety, so it's not terribly surprising when one of those groups publishes data on something that's yet to be announced — like Android 4.4.3. Earlier this week saw Sprint announcing an update to Android 4.4.3 for the Nexus 5, and today it's the Bluetooth Special Interest Group's turn. In this case it's another "Google" device, the Sony Z Ultra Google Play edition.